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Retrieving the HTML source code

, 30 Nov 2004
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An article on how to retrieve the full source code of a web page.

Introduction

An app I was writing needed to store the full HTML of a web page. I looked all over the web and the MSDN library on how to get the complete HTML from a CHtmlView. I found out how to get the <BODY></BODY> data, but not how to get the <HTML></HTML> data. After lots of stumbling, I hit on the following very simple technique.

Examples of getting the outer HTML of the <BODY> tag abound. While exploring the IHTMLDocument2 interface, I noticed the get_ParentElement method. I realized that the parent of <BODY> is <HTML>.

This function took care of my problem:

bool CMyHtmlView::GetDocumentHTML(CString &str)
{
    IHTMLDocument2 *lpHtmlDocument = NULL;
    LPDISPATCH lpDispatch = NULL;

    lpDispatch = GetHtmlDocument();
    if(!lpDispatch)
        return false;

    lpDispatch->QueryInterface(IID_IHTMLDocument2, (void**)&lpHtmlDocument);
    ASSERT(lpHtmlDocument);
    lpDispatch->Release();

    IHTMLElement *lpBodyElm;
    IHTMLElement *lpParentElm;

    lpHtmlDocument->get_body(&lpBodyElm);
    ASSERT(lpBodyElm);
    lpHtmlDocument->Release();
    // get_body returns all between <BODY> and </BODY>. 
    // I need all between <HTML> and </HTML>.

    // the parent of BODY is HTML
    lpBodyElm->get_parentElement(&lpParentElm);
    ASSERT(lpParentElm);
    BSTR    bstr;
    lpParentElm->get_outerHTML(&bstr);
    str = bstr;

    lpParentElm->Release();
    lpBodyElm->Release();

    return true;
}

Points of Interest

There is bound to be a better way of doing this. If you know it, please share it with me.

License

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About the Author

Geno Carman

United States United States
No Biography provided

Comments and Discussions

 
GeneralMy vote of 1 Pinmembersunnic1234567884-Nov-13 15:47 
GeneralAnother way Pinmembersohacc7-Feb-13 3:00 
QuestionDisplay content after body Pinmemberuttamnadiyapara4-Sep-12 20:48 
AnswerRe: Display content after body PinmemberGeno Carman5-Sep-12 18:11 
GeneralRe: Display content after body Pinmemberuttamnadiyapara5-Sep-12 22:33 
Questionerror C2065: 'GetHtmlDocument' : undeclared identifier Pinmemberuttamnadiyapara4-Sep-12 3:12 
Hi Friends,
 
Thank you very much for these nice tutorial but i got error that is "error C2065: 'GetHtmlDocument' : undeclared identifier".
AnswerRe: error C2065: 'GetHtmlDocument' : undeclared identifier PinmemberGeno Carman4-Sep-12 13:05 
AnswerExcellent solution Pinmembermrbll5-Jun-12 8:31 
GeneralThanks you! PinmemberStoney Tian26-Nov-10 21:56 
GeneralYou saved my day too ! Pinmemberjohan.julien24-Feb-09 21:57 
GeneralMy Way of Doing It in C# PinmemberSniper16718-Jul-07 19:28 
GeneralAnother way Pinmembervinhie473-Jul-07 16:15 
Questionhow can i get a http-header Pinmemberemmi6-Feb-07 23:51 
QuestionExplaination of the code PinmemberGlen_CodeProj28-Mar-06 18:40 
GeneralRe: Explaination of the code PinmemberRancidCrabtree28-Mar-06 19:36 
QuestionRe: Explaination of the code PinmemberGlen_CodeProj29-Mar-06 17:27 
GeneralThanks you saved my day PinmemberDamir Valiulin23-Sep-05 5:43 
GeneralMy method PinmemberHughJampton10-May-05 2:24 
GeneralRe: My method PinmemberRancidCrabtree12-May-05 12:29 
GeneralRe: My method PinmemberSam NG17-Apr-06 23:29 
GeneralOne-line way of doing it Pinsussjocool13-Dec-04 3:37 
GeneralRe: One-line way of doing it PinmemberRancidCrabtree13-Dec-04 17:47 
GeneralThe way I do it PinsitebuilderUwe Keim30-Nov-04 19:51 
GeneralRe: The way I do it PinmemberRancidCrabtree1-Dec-04 7:38 
GeneralRe: The way I do it PinsitebuilderUwe Keim1-Dec-04 17:03 

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